-71.82% is the change from 291 to 82
Calculation steps:
[( 82 - 291 ) ÷ 291] x 100 = -71.82%
Formula
Percentage change = [(82 - 291) / 291] x 100
Subtract the new number by the original number
82 - 291 = -209
-209 ÷ 291 = -0.718213058419244
-0.718213058419244 x 100 = -71.82%